[un.gʷen'taː.ri.us] : a perfumer, maker of perfumes and ointments
CAS Number: 2785-89-9
The statistical data we collected from 4 public perfume formulas suggests that the mean dose for 4-ethyl guaiacol is 1.1%. The typical lower limit is 0.75%, and the usual higher limit is 1.6%. The highest amount of 4-ethyl guaiacol we encountered in any single formula is 1.9%, and the lowest was 0.50%.
Restriction Limits In The Finished Product (IFRA Amendment 49):